Seiko Cal. 4457 - 545

Seiko 4457-545

The 4457-545 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4457 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-4eeee51ab2bd]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1987

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